/*
 *  Copyright 2009 The Apache Software Foundation
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package org.mybatis.generator.codegen.mybatis3.xmlmapper.elements;

import com.mouse.fast_sql.constant.Config;
import com.mouse.fast_sql.util.StringUtil;
import org.mybatis.generator.api.IntrospectedColumn;
import org.mybatis.generator.api.dom.xml.Attribute;
import org.mybatis.generator.api.dom.xml.TextElement;
import org.mybatis.generator.api.dom.xml.XmlElement;
import org.mybatis.generator.codegen.mybatis3.MyBatis3FormattingUtilities;

import java.util.List;

/**
 * @author Jeff Butler
 */
public class SelectByPrimaryKeyElementGenerator extends
        AbstractXmlElementGenerator {

    public SelectByPrimaryKeyElementGenerator() {
        super();
    }

    @Override
    public void addElements(XmlElement parentElement) {
        XmlElement answer = new XmlElement("select"); //$NON-NLS-1$
        String methodName = introspectedTable.getSelectByPrimaryKeyStatementId();
        if (Config.mapper_method_name_flag) {
            methodName = "findById";
        }
        answer.addAttribute(new Attribute(
                "id", methodName)); //$NON-NLS-1$
        if (introspectedTable.getRules().generateResultMapWithBLOBs()) {
            answer.addAttribute(new Attribute("resultMap", //$NON-NLS-1$
                    "BaseResultMap"));
        } else {
            answer.addAttribute(new Attribute("resultMap", //$NON-NLS-1$
                    "BaseResultMap"));
        }

        String parameterType;
        if (introspectedTable.getRules().generatePrimaryKeyClass()) {
            parameterType = introspectedTable.getPrimaryKeyType();
        } else {
            // PK fields are in the base class. If more than on PK
            // field, then they are coming in a map.
            if (introspectedTable.getPrimaryKeyColumns().size() > 1) {
                parameterType = "map"; //$NON-NLS-1$
            } else {
                parameterType = introspectedTable.getPrimaryKeyColumns().get(0)
                        .getFullyQualifiedJavaType().toString();
            }
        }

        answer.addAttribute(new Attribute("parameterType", //$NON-NLS-1$
                parameterType));

        context.getCommentGenerator().addComment(answer);

        StringBuilder sb = new StringBuilder();
        sb.append("select "); //$NON-NLS-1$
        answer.addElement(new TextElement(sb.toString()));
        sb.setLength(0);

        List<IntrospectedColumn> list = introspectedTable.getAllColumns();
        for (int i = 0; i < list.size(); i++) {
            String javaProperty = list.get(i).getActualColumnName();
//            if (StringUtil.containRecord(javaProperty)) {
//                continue;
//            }
            sb.append(javaProperty);
            if (i != list.size() - 1) {
                sb.append(" ,");
            }
        }
        if (sb.toString().endsWith(" ,")) {
            answer.addElement(new TextElement(sb.toString().substring(0, sb.toString().length() - 1)));
        } else {
            answer.addElement(new TextElement(sb.toString()));
        }
        sb.setLength(0);
        sb.append("from "); //$NON-NLS-1$
        sb.append(introspectedTable
                .getAliasedFullyQualifiedTableNameAtRuntime());
        answer.addElement(new TextElement(sb.toString()));

        boolean and = false;
        for (IntrospectedColumn introspectedColumn : introspectedTable
                .getPrimaryKeyColumns()) {
            sb.setLength(0);
            if (and) {
                sb.append("  and "); //$NON-NLS-1$
            } else {
                sb.append("where "); //$NON-NLS-1$
                and = true;
                if (Config.logic_delete_flag) {
                    sb.append("status=1 and ");
                }
            }

            sb.append(MyBatis3FormattingUtilities
                    .getAliasedEscapedColumnName(introspectedColumn));
            sb.append(" = "); //$NON-NLS-1$
            String param = MyBatis3FormattingUtilities.getParameterClause(introspectedColumn);
            if (Config.ignore_jdbcType_flag) {
                param = StringUtil.xmlParam(introspectedColumn);
            }
            sb.append(param);
            answer.addElement(new TextElement(sb.toString()));
            break;
        }

        if (context.getPlugins()
                .sqlMapSelectByPrimaryKeyElementGenerated(answer,
                        introspectedTable)) {
            parentElement.addElement(answer);
        }
    }
}
